Understanding interobserver agreement: the kappa statistic. Export

@article{citeulike:3371551, abstract = {Items such as physical exam findings, radiographic interpretations, or other diagnostic tests often rely on some degree of subjective interpretation by observers. Studies that measure the agreement between two or more observers should include a statistic that takes into account the fact that observers will sometimes agree or disagree simply by chance. The kappa statistic (or kappa coefficient) is the most commonly used statistic for this purpose. A kappa of 1 indicates perfect agreement, whereas a kappa of 0 indicates agreement equivalent to chance. A limitation of kappa is that it is affected by the prevalence of the finding under observation. Methods to overcome this limitation have been described.}, author = {Viera, A. J. and Garrett, J. M.}, citeulike-article-id = {3371551}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/15883903}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=15883903}, issn = {0742-3225}, journal = {Family medicine}, keywords = {agreement, kappa, statistics}, month = {May}, number = {5}, pages = {360--363}, posted-at = {2008-10-03 20:53:12}, priority = {4}, title = {Understanding interobserver agreement: the kappa statistic.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/15883903}, volume = {37}, year = {2005} }

TY - JOUR ID - citeulike:3371551 L3 - citeulike-article-id:3371551 N2 - Items such as physical exam findings, radiographic interpretations, or other diagnostic tests often rely on some degree of subjective interpretation by observers. Studies that measure the agreement between two or more observers should include a statistic that takes into account the fact that observers will sometimes agree or disagree simply by chance. The kappa statistic (or kappa coefficient) is the most commonly used statistic for this purpose. A kappa of 1 indicates perfect agreement, whereas a kappa of 0 indicates agreement equivalent to chance. A limitation of kappa is that it is affected by the prevalence of the finding under observation. Methods to overcome this limitation have been described. IS - 5 JF - Family medicine SN - 0742-3225 EP - 363 TI - Understanding interobserver agreement: the kappa statistic. VL - 37 SP - 360 KW - agreement KW - kappa KW - statistics AU - Viera, AJ AU - Garrett, JM PY - 2005/05// UR - http://view.ncbi.nlm.nih.gov/pubmed/15883903 ER -